cleanup_view_runtime

# File activerecord/lib/active_record/railties/controller_runtime.rb, line 21
      def cleanup_view_runtime
        if ActiveRecord::Base.connected?
          db_rt_before_render = ActiveRecord::LogSubscriber.reset_runtime
          self.db_runtime = (db_runtime || 0) + db_rt_before_render
          runtime = super
          db_rt_after_render = ActiveRecord::LogSubscriber.reset_runtime
          self.db_runtime += db_rt_after_render
          runtime - db_rt_after_render
        else
          super
        end
      end